1992768164 has 24 divisors (see below), whose sum is σ = 3608064768. Its totient is φ = 962039520.

The previous prime is 1992768137. The next prime is 1992768179. The reversal of 1992768164 is 4618672991.

It is a super-2 number, since 2×1992768164² = 7942249910903861792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36794 + ... + 73070.

It is an arithmetic number, because the mean of its divisors is an integer number (150336032).

Almost surely, 2^1992768164 is an apocalyptic number.

It is an amenable number.

1992768164 is a deficient number, since it is larger than the sum of its proper divisors (1615296604).

1992768164 is a wasteful number, since it uses less digits than its factorization.

1992768164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36755 (or 36753 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 1992768164 is about 44640.4319423547. The cubic root of 1992768164 is about 1258.4006254420.

The spelling of 1992768164 in words is "one billion, nine hundred ninety-two million, seven hundred sixty-eight thousand, one hundred sixty-four".